| APA | XPE. (2012, February 14). In Acronym Geek. Retrieved 19:33, February 14, 2012, from http://www.acronymgeek.com/XPE |
| MLA | "XPE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XPE>. |
| MHRA | 'XPE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XPE> [accessed 14 February 2012] |
| Chicago | "XPE", http://www.acronymgeek.com/XPE (accessed February 14, 2012). |
| CBE/CSE | XPE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XPE. |
| Bluebook | XPE, http://www.acronymgeek.com/XPE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPE, http://www.acronymgeek.com/XPE (optional description here) (as of Feb. 14, 2012, 19:33). |
| AMA | XPE. Acronym Geek. February 14, 2012, 19:33. Available at: http://www.acronymgeek.com/XPE. Accessed February 14, 2012, 19:33. |